Freeze-drying
[freez-drahy-ing] /ˈfrizˈdraɪ ɪŋ/
noun
1.
a process for drying heat-sensitive substances, as foods, blood plasma, antibiotics, and the like, by freezing the substance and then subliming the ice or other frozen solvent in a high vacuum.
[freez-drahy] /ˈfrizˈdraɪ/
verb (used with object), freeze-dried, freeze-drying.
1.
to subject to freeze-drying.
verb -dries, -drying, -dried
1.
(transitive) to preserve (a substance) by rapid freezing and subsequently drying in a vacuum
freeze-drying n.
See lyophilization.
freeze-dry
To preserve a substance, such as food, by freezing it rapidly and placing it in a vacuum chamber, where the water frozen in the substance evaporates through sublimation.
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